Definition from Wiktionary, the free dictionary
- (idiomatic) One who drives slowly, as for leisure or sightseeing.
- I was eager to get there, but I got stuck behind one Sunday driver after another on that trip.
- 1990, Davide Thigpen, "Real-Life Days of Thunder," Time, 30 Jul.,
- Wallace is hardly your typical Sunday driver out on a jaunt in the countryside.
- (dated) One who drives infrequently, and often poorly.